Butyeic acid
[机] 丁酸
🧩 词语组成解析
🗣️ 情景例句
Good luck! And stop worrying!
祝你好运， 别再担心！
He has interviewed a lot of people for the job.
他已和许多应征这份工作的人面谈过了。
That's right. I'm travelling round the country.
对。我在周游全国各地。